Home / 14,016.08-19,341.84-7,642.40

Finding the Fourth Proportional to 14,016.08, 19,341.84 and 7,642.40

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Solution

The fourth proportional to 14,016.08, 19,341.84 and 7,642.40 is: 10,546.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,016.08 : 19,341.84 = 7,642.40 : x
  2. Step 2: Convert to fraction form
    14,016.08/19,341.84 = 7,642.40/x
  3. Step 3: Cross multiply
    14,016.08x = 19,341.84 × 7,642.40
  4. Step 4: Simplify right side
    14,016.08x = 147,818,078.02
  5. Step 5: Solve for x
    x = 147,818,078.02/14,016.08
  6. Step 6: Final answer
    x = 10,546.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.